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        <p><font face="helvetica, arial">This algorithm gives the possibility to clip a network layer by using a trajectory. The trajectory will be transformed to a linestring and buffered after this. Thereafter the buffer will be used as a masking layer for clipping the network.</font></p>
        <h4><font face="helvetica, arial">Network-Layer:</font></h4>
        <p><font size=3 face="helvetica, arial">This combobox shows all layers of the current QGIS project with the geometry type LINESTRING. The features of this layer will be reduced and stored in a memory layer.</font></p>
        <h4><font face="helvetica, arial">Trajectory-Layer:</font></h4>
        <p><font size=3 face="helvetica, arial">This combobox shows all layers of the current QGIS project with the geometry type POINT and will be used for clipping/reducing the network layer.</font></p>
        <h4><font face="helvetica, arial">Order Trajectory by:</font></h4>
        <p><font size=3 face="helvetica, arial">This combobox shows all fields of the trajectory layer. The selected field will be used to order the features of the tractory layer (e.g. order by timestamps or way) and to transform the trajectory into linestrings.</font></p>
        <h4><font face="helvetica, arial">Buffer radius around the Trajectory:</font></h4>
        <p><font size=3 face="helvetica, arial">The radius or distance of the buffer around the trajectory linestring. The resulting polygon will be used to clip the network.</font></p>
        <h4><font face="helvetica, arial">Output:</font></h4>
        <p><font size=3 face="helvetica, arial">The destination where the clipped network should be saved.</font></p>
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